EN1990-2002 Basis of structural design可靠度规范（欧标）

EN1990-2002 Basis of structural design可靠度规范（欧标）

FOREWORD...................... 5

BACKGROUND OF THE EUROCODE PROGRAMME ............... 5

STATUS AND FIELD OF APPLICATION OF EUROCODES......... 6

NATIONAL STANDARDS IMPLEMENTING EUROCODES........ 7

LINKS BETWEEN EUROCODES AND HARMONISED TECHNICAL SPECIFICATIONS (ENS AND ETAS) FOR

PRODUCTS. 7

ADDITIONAL INFORMATION SPECIFIC TO EN 1990............. 7

NATIONAL ANNEX FOR EN 1990............... 8

SECTION 1 GENERAL 9

1.1 SCOPE . 9

1.2 NORMATIVE REFERENCES ................... 9

1.3 ASSUMPTIONS ........... 10

1.4 DISTINCTION BETWEEN PRINCIPLES AND APPLICATION RULES.......... 10

1.5 TERMS AND DEFINITIONS................... 11

1.5.1 Common terms used in EN 1990 to EN 1999.... 11

1.5.2 Special terms relating to design in general....... 12

1.5.3 Terms relating to actions........... 15

1.5.4 Terms relating to material and product properties................... 18

1.5.5 Terms relating to geometrical data................... 18

1.5.6 Terms relating to structural analysis ................ 19

1.6 SYMBOLS .................. 20

SECTION 2 REQUIREMENTS ......... 23

2.1 BASIC REQUIREMENTS ...................... 23

2.2 RELIABILITY MANAGEMENT .............. 24

2.3 DESIGN WORKING LIFE ...................... 25

2.4 DURABILITY.............. 25

2.5 QUALITY MANAGEMENT.................... 26

SECTION 3 PRINCIPLES OF LIMIT STATES DESIGN.............. 27

3.1 GENERAL .................. 27

3.2 DESIGN SITUATIONS .. 27

3.3 ULTIMATE LIMIT STATES ................... 28

3.4 SERVICEABILITY LIMIT STATES.......... 28

3.5 LIMIT STATE DESIGN.. 29

SECTION 4 BASIC VARIABLES...... 30

4.1 ACTIONS AND ENVIRONMENTAL INFLUENCES............ 30

4.1.1 Classification of actions............ 30

4.1.2 Characteristic values of actions 30

4.1.3 Other representative values of variable actions 32

4.1.4 Representation of fatigue actions...................... 32

4.1.5 Representation of dynamic actions ................... 32

4.1.6 Geotechnical actions................. 33

4.1.7 Environmental influences.......... 33

4.2 MATERIAL AND PRODUCT PROPERTIES ...................... 33

4.3 GEOMETRICAL DATA. 34

SECTION 5 STRUCTURAL ANALYSIS AND DESIGN ASSISTED BY TESTING................... 35

5.1 STRUCTURAL ANALYSIS .................... 35

5.1.1 Structural modelling.................. 35

5.1.2 Static actions..... 35

5.1.3 Dynamic actions 35

2EN 1990:2002 (E)

5.1.4 Fire design ........ 36

5.2 DESIGN ASSISTED BY TESTING........... 37

SECTION 6 VERIFICATION BY THE PARTIAL FACTOR METHOD............. 38

6.1 GENERAL .................. 38

6.2 LIMITATIONS ............. 38

6.3 DESIGN VALUES ........ 38

6.3.1 Design values of actions............ 38

6.3.2 Design values of the effects of actions............... 39

6.3.3 Design values of material or product properties ...................... 40

6.3.4 Design values of geometrical data .................... 40

6.3.5 Design resistance ...................... 41

6.4 ULTIMATE LIMIT STATES ................... 42

6.4.1 General.............. 42

6.4.2 Verifications of static equilibrium and resistance..................... 43

6.4.3 Combination of actions (fatigue verifications excluded)........... 43

6.4.3.1 General 43

6.4.3.2 Combinations of actions for persistent or transient design situations (fundamental combinations)....44

6.4.3.3 Combinations of actions for accidental design situations....................45

6.4.3.4 Combinations of actions for seismic design situations45

6.4.4 Partial factors for actions and combinations of actions ........... 45

6.4.5 Partial factors for materials and products........ 46

6.5 SERVICEABILITY LIMIT STATES.......... 46

6.5.1 Verifications ...... 46

6.5.2 Serviceability criteria................ 46

6.5.3 Combination of actions ............. 46

6.5.4 Partial factors for materials...... 47

ANNEX A1 (NORMATIVE) APPLICATION FOR BUILDINGS....... 48

A1.1 FIELD OF APPLICATION ................... 48

A1.2 COMBINATIONS OF ACTIONS........... 48

A1.2.1 General ........... 48

A1.2.2 Values of factors ................. 48

A1.3 ULTIMATE LIMIT STATES................. 49

A1.3.1 Design values of actions in persistent and transient design situations........... 49

A1.3.2 Design values of actions in the accidental and seismic design situations ...... 53

A1.4 SERVICEABILITY LIMIT STATES ....... 54

A1.4.1 Partial factors for actions....... 54

A1.4.2 Serviceability criteria ............. 54

A1.4.3 Deformations and horizontal displacements .. 54

A1.4.4 Vibrations ....... 56

ANNEX B (INFORMATIVE) MANAGEMENT OF STRUCTURAL RELIABILITY FOR

CONSTRUCTION WORKS................... 57

B1 SCOPE AND FIELD OF APPLICATION .... 57

B2 SYMBOLS .................. 57

B3 RELIABILITY DIFFERENTIATION.......... 58

B3.1 Consequences classes ................ 58

B3.2 Differentiation by values ........ 58

B3.3 Differentiation by measures relating to the partial factors ....... 59

B4 DESIGN SUPERVISION DIFFERENTIATION .................... 59

B5 INSPECTION DURING EXECUTION ....... 60

B6 PARTIAL FACTORS FOR RESISTANCE PROPERTIES ....... 61

ANNEX C (INFORMATIVE) BASIS FOR PARTIAL FACTOR DESIGN AND RELIABILITY

ANALYSIS 62

C1 SCOPE AND FIELD OF APPLICATIONS.. 62

C2 SYMBOLS................... 62

C3 INTRODUCTION.......... 63

3EN 1990:2002 (E)

C4 OVERVIEW OF RELIABILITY METHODS 63

C5 RELIABILITY INDEX . 64

C6 TARGET VALUES OF RELIABILITY INDEX ................. 65

C7 APPROACH FOR CALIBRATION OF DESIGN VALUES ..... 66

C8 RELIABILITY VERIFICATION FORMATS IN EUROCODES ....................... 68

C9 PARTIAL FACTORS IN EN 1990 .......... 69

C10 0 FACTORS............. 70

ANNEX D (INFORMATIVE) DESIGN ASSISTED BY TESTING ..... 72

D1 SCOPE AND FIELD OF APPLICATION .... 72

D2 SYMBOLS .................. 72

D3 TYPES OF TESTS......... 73

D4 PLANNING OF TESTS .. 74

D5 DERIVATION OF DESIGN VALUES........ 76

D6 GENERAL PRINCIPLES FOR STATISTICAL EVALUATIONS...................... 77

D7 STATISTICAL DETERMINATION OF A SINGLE PROPERTY ...................... 77

D7.1 General.............. 77

D7.2 Assessment via the characteristic value ............ 78

D7.3 Direct assessment of the design value for ULS verifications..... 79

D8 STATISTICAL DETERMINATION OF RESISTANCE MODELS .................... 80

D8.1 General.............. 80

D8.2 Standard evaluation procedure (Method (a)).... 80

D8.2.1 General 80

D8.2.2 Standard procedure......81

D8.3 Standard evaluation procedure (Method (b)).... 85

D8.4 Use of additional prior knowledge.................... 85

BIBLIOGRAPHY ............ 87

投稿会员：匿名用户